{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{4}{c}{\specialcell{\;\;\;\;\; Change in source fecal contamination \;\;\;\;\;}}\\\cmidrule(lr){2-5}
                    &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   \\
\hline
Predicted change    &       0.178***&       0.181** &       0.050   &       0.028   \\
source fecal contamination x treated&     (0.064)   &     (0.073)   &     (0.072)   &     (0.076)   \\
Predicted change    &       5.274***&       5.088***&       6.205***&       6.272***\\
source fecal contamination&     (0.355)   &     (0.402)   &     (0.396)   &     (0.417)   \\
Predicted change    &      -0.268   &       0.001   &      -0.394   &       0.409   \\
hh-ws distance x treated&     (0.563)   &     (0.672)   &     (0.782)   &     (0.863)   \\
Predicted change    &      -0.030   &      -0.372*  &      -0.273   &      -0.322   \\
hh-ws distance      &     (0.251)   &     (0.222)   &     (0.253)   &     (0.207)   \\
Constant            &       0.002   &       0.017   &       0.015   &       0.045   \\
                    &     (0.023)   &     (0.024)   &     (0.030)   &     (0.031)   \\
\hline
Predicted location  &        Desk   &        Desk   &   Algorithm   &   Algorithm   \\
Treatment unit fixed effects&          No   &         Yes   &          No   &         Yes   \\
R2                  &        0.20   &        0.27   &        0.21   &        0.29   \\
Obs                 &        6051   &        6051   &        6051   &        6051   \\
\hline\hline
\end{tabular}
}
